No abstract available
MeSH terms
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Acetylcholine / metabolism*
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Animals
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Brain Chemistry
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Cerebral Cortex / metabolism*
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Male
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Morphine / antagonists & inhibitors
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Morphine / pharmacology*
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Nalorphine / pharmacology*
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Naloxone / pharmacology*
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Pons / physiology
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Rats
Substances
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Naloxone
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Morphine
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Acetylcholine
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Nalorphine